164364040

素因数分解:

$2^3\times 5^1\times {\mathrm{4109101}}^1$

素因数の和:4109112

約数の個数: 16

約数和(自身を含む): 369819180

約数和(自身を除く): 205455140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4109101, 8218202, 16436404, 20545505, 32872808, 41091010, 82182020, 164364040]

約数ペア:

[(1, 164364040), (2, 82182020), (4, 41091010), (5, 32872808), (8, 20545505), (10, 16436404), (20, 8218202), (40, 4109101)]